If the vocabulary , meanings of words , and the types of sentence on strictions in a text are controlled,(the variation between texts will be minimal.
选项：

A: The variation between texts will be minimal. If the meaning of the new words and the sentence architecture in the article are well controlled.
B: If the wordlist, meanings of words, and the types of sentence skeleton in a text are under controlled, the change between texts will be smallest.
C: If the wordlist, meanings of words, and the types of sentence structure a text are under controlled, the change between texts will be minimum.